fifteen

The recipe calls for fifteen grams of sugar.

(Chinese) 这个食谱需要十五克糖。

In rugby union, each team starts with fifteen players on the field.

(Chinese) 在英式橄榄球联合会比赛中，每队场上首发十五名球员。

She got her first part-time job when she was fifteen.

(Chinese) 她十五岁时找到了第一份兼职工作。

In many countries, you can apply for a learner's driving permit at fifteen.

(Chinese) 在许多国家，你可以在十五岁时申请学习驾驶许可证。